100% brand new and high quality ApplicationMade of premium aluminum alloy material,high hardness, wear resistance, rust resistance, durability, long service life.Excellent material, compact structure and suitable size, perfect for machining projects.Installation and use is very simple, there is no complicated and difficult place to understand,a great replacement of the broken one.Mainly used for blocking the headstock and Tailstock,It is an accessory that is often used during machining and can provides convenience in the machinery projectSpecification:Model : Z030MBWeight: 88 g / 3.1 oz(approx.)Colour:blackMaterial:Aluminum alloySize:about 50*50*50mmPackage Contents:1 * Riser BlockOnly the above package content, other products are not included.Note: Light shooting and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.